Results 21 to 30 of about 1,112,681 (393)
WLAN/WDS performance using directive antennas in highly mobile scenarios: experimental results [PDF]
, 2008 This paper presents experimental results from a series of IEEE 802.11g studies to investigate the performance of vehicular to roadside wireless communications. In particular, two high-gain omni-directional antennas were used at the roadside access point,
Nix, AR, Zaggoulos, G
core +2 more sources
IEEE Access, 2017 A novel dual-broadband dual-polarized base station antenna array with compact structure and low profile is proposed in this paper for the existing mobile communication system operating over 0.79-0.96 GHz (European Digital Dividend/CDMA/GSM) and 1.71-2.17
Yejun He, Wei Tian, Long Zhang
doaj +1 more source
Review of Metasurface Antennas for Computational Microwave Imaging
IEEE Transactions on Antennas and Propagation, 2020 This article covers recent advances in the fusion of metasurface antenna design and computational imaging (CI) concepts for the realization of imaging systems that are planar, fast, and low cost.
M. Imani +8 more
semanticscholar +1 more source
Compact and Wideband Differentially Fed Dual-Polarized Antenna With High Common-Mode Suppression
IEEE Access, 2019 A compact and wideband differentially fed dual-polarized antenna with high common-mode suppression is investigated in this paper. A square patch with crossed-slot consisting of four slant funnel-shaped slots is used as the radiator, generating slant ...
Zhao Zhou +4 more
doaj +1 more source
IEEE Antennas and Wireless Propagation Letters, 2020 A novel very low frequency (VLF) communication system using one pair of magnetoelectric (ME) antennas has been proposed. The ME antennas are strain-mediated acoustic resonators operating at their electromechanical resonance in the VLF band.
Cunzheng Dong +12 more
semanticscholar +1 more source
An investigation into the Gustafsson limit for small planar antennas using optimisation [PDF]
, 2013 The fundamental limit for small antennas provides a guide to the effectiveness of designs. Gustafsson et al, Yaghjian et al, and Mohammadpour-Aghdam et al independently deduced a variation of the Chu-Harrington limit for planar antennas in different ...
Lewis, Andrew +2 more
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IEEE Access, 2020 In this article, a dielectric resonator (DR) excited wideband metasurface (MTS) antenna with differential feeding is proposed, which uses two modes of the MTS and the fundamental mode of the DR to achieve multimode operation and obtain wide bandwidth ...
Yonghui Qiu +5 more
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Reconfigurable Antennas: Switching Techniques—A Survey
Electronics, 2020 Due to the fast development of wireless communication technology, reconfigurable antennas with multimode and cognitive radio operation in modern wireless applications with a high-data rate have drawn very close attention from researchers.
Nasser Ojaroudi +4 more
semanticscholar +1 more source
Wideband Low-Profile Luneburg Lens Based on a Glide-Symmetric Metasurface
IEEE Access, 2020 This paper presents a two-dimensional low-profile Luneburg lens that is designed by using a glide-symmetric metasurface. The entire lens consists of two mirrored metal plates with periodic metal pins, and the pins on one plate are glided exactly a half ...
Fangfang Fan +4 more
doaj +1 more source
Understanding Link Dynamics in Wireless Sensor Networks with Dynamically Steerable Directional Antennas [PDF]
, 2013 . By radiating the power in the direction of choice, electronicallyswitched directional (ESD) antennas can reduce network contention and avoid packet loss.
C. Noda +9 more
core +2 more sources